Senior Network Engineer – Cisco Nexus, Catalyst & NAC

BE Consultancy Group; Lisboa; Híbrido; EUR 70 000 - 95 000; Tempo integral

Resumo da oferta

BE Consultancy Group in Lisbon, Portugal is seeking a Senior Network Engineer to lead day-to-day network operations and drive a major infrastructure transformation, acting as the senior technical lead to ensure safe changes and operational stability. This hybrid role requires three days onsite in Lisbon.

The ideal candidate has a Master’s degree and 8+ years IT experience, with hands-on Cisco Nexus/NX-OS, IOS/IOS-XE, Cisco Wireless, NAC (802.1X/ISE), and Catalyst Center expertise, plus strong

Qualificações

• Master's degree and 8+ years of IT experience.
• Strong hands-on experience with Cisco Nexus/NX-OS and IOS/IOS-XE.
• Experience with network switch upgrades and replacements.
• Knowledge of Cisco Catalyst Center.
• Experience implementing Cisco wireless networks.
• Experience with NAC, 802.1X, RADIUS and ISE.
• Strong experience with network operations and change management.
• Comfortable working with network monitoring and observability.

Responsabilidades

• Monitor and maintain the network environment and troubleshoot issues across wired, wireless, access and core networks.
• Investigate and resolve network incidents, including NAC and authentication-related issues.
• Lead the replacement of legacy Cisco switches with Cisco Nexus/NX-OS.
• Support the implementation of a new Cisco wireless environment, NAC and Catalyst Center.
• Plan and execute network changes, upgrades and ad hoc fixes while maintaining operational stability.
• Improve network monitoring, observability, configuration management and automation.
• Maintain technical documentation and operational runbooks.

Conhecimentos

Cisco Nexus/NX-OS

IOS/IOS-XE

NAC (Network Access Control)

802.1X

ISE

Cisco Catalyst Center

Cisco Wireless

Network monitoring

Observability

Change management

Formação académica

Master's degree

Descrição da oferta de emprego

For an international organization in Lisbon, Portugal, we are looking for an experienced Senior Network Engineer with strong hands‑on experience in Cisco Nexus/NX-OS, IOS/IOS-XE, Catalyst Center, Cisco Wireless and Network Access Control (NAC).

You will combine day‑to‑day network operations with a major network infrastructure transformation, acting as the senior technical lead and ensuring changes are implemented safely while maintaining operational stability.

This is a hybrid position requiring 3 days per week onsite in Lisbon.

Tasks and Responsibilities

• Monitor and maintain the network environment and troubleshoot issues across wired, wireless, access and core networks;
• Investigate and resolve network incidents, including NAC and authentication‑related issues;
• Lead the replacement of legacy Cisco switches with Cisco Nexus/NX-OS;
• Support the implementation of a new Cisco wireless environment, NAC and Catalyst Center;
• Plan and execute network changes, upgrades and ad hoc fixes while maintaining operational stability;
• Improve network monitoring, observability, configuration management and automation;
• Maintain technical documentation and operational runbooks.

Profile

• Master's degree and 8+ years of IT experience;
• Strong hands‑on experience with Cisco Nexus/NX-OS and IOS/IOS-XE;
• Experience with network switch upgrades and replacements;
• Knowledge of Cisco Catalyst Center;
• Experience implementing Cisco wireless networks;
• Experience with Network Access Control (NAC), 802.1X, RADIUS and ISE;
• Strong experience with network operations and change management;
• Comfortable working with network monitoring and observability.